WC
William Cannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Cannon across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Cannon |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1922 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Cannon | Daughter | — | 9 | ~1931 |
| Bernice Cannon | Daughter | — | 13 | ~1927 |
| Mary Cannon | Daughter | — | 15 | ~1925 |
| Mary Cannon | Spouse | — | 40 | ~1900 |
| Richard Cannon | Son | — | 11 | ~1929 |
| James Cannon | Head | — | 45 | ~1895 |
| William Cannon | Son | — | 18 | ~1922 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cannon |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 18
Middlesex-County, Massachusetts · implied b. ~1922 — 7 household members
| Surname | Cannon |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Cannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cannon
Son · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Mary Cannon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Cannon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cannon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cannon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01609-00430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Francis | 8 | Daughter | — | Massachusetts |
| 42 | George Johnson | 31 | Head | Machinist | Massachusetts |
| 43 | Violet Johnson | 33 | Wife | — | Massachusetts |
| 44 | Clark A. Johnson | 3 | Son | — | Massachusetts |
| 45 | Gertrude Lunt | 57 | Head | — | Massachusetts |
| 46 | Elmer E. Marshall | 79 | Lodger | — | Massachusetts |
| 47 | Frederick Smith | 44 | Head | — | Canada English |
| 48 | Ethel Smith | 47 | Wife | — | Massachusetts |
| 49 | Herbert Smith | 15 | Son | — | Massachusetts |
| 50 | Marjorie Brown | 4 | Granddaughter | — | Massachusetts |
| 51 | Herbert Ball | 29 | Head | Truck Driver | Massachusetts |
| 52 | May Ball | 22 | Wife | Technician | Newfoundland |
| 53 | Joseph Cusumano | 25 | Head | Truck Driver | Massachusetts |
| 54 | Doris Cusumano | 23 | Wife | — | New York |
| 55 | Marion Milton | 45 | Head | Stenographer | Massachusetts |
| 56 | Frederick Jewell | 42 | Head | Leather Sorter | Massachusetts |
| 57 | Dorothy Jewell | 28 | Wife | — | Massachusetts |
| 58 | Dolores Jewell | 2 | Daughter | — | Massachusetts |
| 59 | Richard Healey | 61 | Head | Waiter | Eire |
| 60 | Margaret Healey | 65 | Sister | — | Eire |
| 61 | Joseph Tatton | 21 | Lodger | Assistant Driver | Massachusetts |
| 62 | Charles Crofts | 50 | Head | Salesman | Massachusetts |
| 63 | Mary Crofts | 47 | Wife | Sorter | Massachusetts |
| 64 | Charles Jr. Crofts | 20 | Son | — | Massachusetts |
| 65 | Margaret Crofts | 83 | Daughter | — | Massachusetts |
| 66 | James Cannon | 45 | Head | Foreman | Georgia |
| 67 | Mary C. Cannon | 40 | Wife | — | Massachusetts |
| 68 | William E. Cannon THIS PERSON | 18 | Son | — | Massachusetts |
| 69 | Mary H. Cannon | 15 | Daughter | — | Massachusetts |
| 70 | Bernice H. Cannon | 13 | Daughter | — | Massachusetts |
| 71 | Richard J. Cannon | 11 | Son | — | Massachusetts |
| 72 | Ruth Cannon | 9 | Daughter | — | Massachusetts |
| 73 | Walter Jack | 18 | Head | Messenger | Massachusetts |
| 74 | John Andrew Connolly | 29 | Head | Seaman | Massachusetts |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)